| 1 (1520) | Bulgarian Academy of Sciences * | BGR | |
| 2 (2017) | Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences | BGR | |
| 3 (2390) | Georgi Nadjakov Institute of Solid State Physic Bulgarian Academy of Sciences | BGR | |
| 4 (2815) | Institute of General and Inorganic Chemistry Bulgarian Academy of Sciences | BGR | |
| 5 (2964) | Academician Emil Djakov Institute of Electronics Bulgarian Academy of Sciences | BGR | |
| 6 (3202) | Institute of Mathematics and Informatics Bulgarian Academy of Sciences | BGR | |
|